He sits up a bit too eagerly, maybe catching Optimus with his knee and 'helping' him up. He also not so subtly wipes himself down, though in the process managing to smear the energon from his optic all over his cheek. The perfect end to one of the most awkward and uncomfortable hours of Sentinel's life.

Looking at the small amount of energon on his fingertips, he sighs and in the words of legendary human composer and poet, Snoop Dogg, "Fantastic."